1129 Recommendation System (25 分) Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item h…

1129. Recommendation System (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system tha…

1129 Recommendation System(25 分) Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item ha…

https://pintia.cn/problem-sets/994805342720868352/problems/994805348471259136 Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's pref…

Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item has been accessed by this user. Inp…

Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item has been accessed by this user. Inp…

Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item has been accessed by this user. Inp…

博主欢迎转载,但请给出本文链接,我尊重你,你尊重我,谢谢~http://www.cnblogs.com/chenxiwenruo/p/6789819.html特别不喜欢那些随便转载别人的原创文章又不给出链接的所以不准偷偷复制博主的博客噢~~ 题意:用户每次选择一个indice,输出之前出现的频率最高的k个indice如果恰好有两个频率一样,输出indice较小的那个 显然不能每次都要对当前所有的item排个序,会超时的由于每次只要给出前k个出现频率最高的,如果出现频率一样,则给出值最小的所以只要…

1129. Recommendation System (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system tha…

http://blog.csdn.net/pipisorry/article/details/49205589 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 推荐系统Recommendation System {博客内容:推荐系统构建三大方法:基于内容的推荐content-based,协同过滤collaborative filtering,隐语义模型(LFM, latent factor model)推荐.这篇博客只…